تأثیر تاریخ کاشت بر عملکرد ارقام مختلف سیب زمینی در منطقه چایپاره
محورهای موضوعی : توليد محصولات زراعي
حسين قاسمي
1
( - دانش آموخته كارشناسي ارشد گروه زراعت، واحد خوي، دانشگاه آزاد اسلامي، خوي – ايران. )
کلید واژه: تاریخ کاشت, سیب زمینی, رقم و عملکرد. ,
چکیده مقاله :
به منظور بررسی اثر تاریخ کاشت روی عملكرد و اجزا عملکرد سه رقم سيب‌زميني، آزمایشی به-صورت فاکتوریل بر پایه بلوک¬های کامل تصادفی با دو فاکتور و سه تکرار طی سال 1386 در منطقه چایپاره شهرستان خوی اجرا شد. فاکتور اول تاریخ کاشت در 4 سطح (15اسفند، 15فروردین، 15اردیبهشت و 15خرداد) و فاکتور دوم رقم در سه سطح (مارفونا، آگریا و مورن) در نظر گرفته شدند. نتایج نشان دادند که اثر تاریخ کاشت و رقم روی ارتفاع بوته، تعداد شاخه در بوته، تعداد برگ در بوته، تعداد غده در بوته، اندازه غده و عملکرد غده معنی‌دار بودند. بالاترین عملکرد غده، به ترتیب در رقم مورن با عملکرد 13/33 تن در هکتار با تاریخ کشت پانزدهم اسفند و رقم مارفونا با عملکرد 120/33 تن در هکتار با تاریخ کشت پانزدهم فروردین ماه مشاهده شد که در یک گروه آماری قرار گرفتند. رقم مورن به¬ علّت نداشتن اختلاف معنی دار با رقم مارفونا و همچنین نیاز به فصل رشد طولانی مناسب نبوده و در نتیجه رقم مارفونا با تاریخ کشت نیمه اول فروردین برای منطقه چایپاره خوی مناسب به نظر می رسد.
In order to evaluate the effects of planting date and variety on the yield and yield components of potato, an experiment was conducted in Chaypareh region of Khoy in 2008. It was used in factorial experiment based on randomized complete block design with three replications and two factors; the first one , planting date in four levels ( March 5th , April5th , May 5th, and June 5th ); and the second variety in three levels ( Marfona , Agria , and Moren ) were considered. The results showed that the effects of planting date and variety on plant height, number of leaves and branches per plant, number of tuber per plant and their sizes were significant. The maximum tuber yield ( 33.13 ton/ha ) was obtained from planting date of March 5th with Moren variety and Marfona ( 33.13 ton/ha ) with planting date April5th, did not have significant difference. Therefore, Moren Variety due to long growing season and high costs are not suitable , on the other hand, Marfona variety with planting date in April 5th is recommended for Chaypareh region of Khoy.
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